Multiple choice

Even today[a], the transmission of [b] telephone calls and billing of rooms - both of which[c] take time and energy - is handling[d] by the operators.

Find out the part having error

  1. a

  2. b

  3. c

  4. d
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The passive voice construction requires the past participle 'handled', not the present participle 'handling'. The action is being done TO the tasks BY the operators, so it must be 'is handled' (passive), not 'is handling' (active). Present continuous passive uses 'is being handled'.

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